Avaya Definity SI Maintenance Manual page 1765

ISDN-TRK (DS1 ISDN Trunk)
PROCESSOR
(TN773)
Figure 10-57. DS1 ISDN Trunk Interactions (24-channel interface)
Packet
C ontrol
P rocessor
C ircuit
(TN 786)
Pack
(T N 778)
*TN 464 C or later
Figure 10-58. PRI Over PACCON DS1 ISDN Trunk Interactions (24-channel interface)
555-233-123
TDM
PI
BUS
CIRCUIT
PACK
(TN765)
PI-LINK
Packet B us
D -C hannel
B -C hannels
TD M B us
SIGNALING
(PORT 24)
VOICE OR DATA
(PORT 23)
DS1/UDS1
INTERFACE
CIRCUIT
PACK
VOICE OR DATA
(PORT 2)
VOICE OR DATA
(PORT 1)
Voice or D ata
(Port 1)
Voice or D ata
(Port 2)
U D S 1
Interface
C ircuit
Pack
(TN 464*)
Voice or D ata
(Port 23)
P rim ary S ignaling
Link
(Port 24)
24-C hannel
Issue 4 May 2002
ISDN-LNK
ISDN-TRK
ISDN-TRK
ISDN-TRK
IS D N -TR K
(B -C hannel)
IS D N -TR K
(B -C hannel)
IS D N -TR K
(B -C hannel)
IS D N -P LK
(D -C hannel)
10-979